ESP32s3 I2c0 SCL一直高电平，没有时钟输出是为什么？

ESP32s3 I2c0 SCL一直高电平，没有时钟输出，SDA也是一直高电平

日志显示初始化成功

I (4197) driver-codec: i2s driver init success

I (9197) driver-codec: I2C_MASTER_NUM=0,mode=1,speed=100000

I (9197) driver-codec: I2C initialized successfully

I (9207) driver-codec: i2c_read cnt = 0, error = -1



代码如下：

#define I2C0_MASTER_SCL_IO 18        /*!< GPIO number used for I2C master clock */

#define I2C0_MASTER_SDA_IO 17        /*!< GPIO number used for I2C master data  */



static esp_err_t i2c_master_init(void)

{

    int i2c_master_port = I2C_MASTER_NUM;



    i2c_config_t conf = {

        .mode = I2C_MODE_MASTER,

        .sda_io_num = I2C0_MASTER_SDA_IO,

        .scl_io_num = I2C0_MASTER_SCL_IO,

        .sda_pullup_en = GPIO_PULLUP_ENABLE,

        .scl_pullup_en = GPIO_PULLUP_ENABLE,

        .master.clk_speed = I2C_MASTER_FREQ_HZ,

        .clk_flags = 0,

    };

    esp_err_t err = i2c_param_config(i2c_master_port, &conf);

    if (err != ESP_OK) {

        return err;

    }

    ESP_LOGI(TAG, "I2C_MASTER_NUM=%d,mode=%d,speed=%d",i2c_master_port,conf.mode,conf.master.clk_speed);

    return i2c_driver_install(i2c_master_port, conf.mode, I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0);

}

uint16_t AW88266A_i2c_read(unsigned char reg_addr)

{

    int ret;

    uint8_t cnt = 0;

    uint8_t data_buff[2] = {0};

    uint16_t data = 0;

    while (cnt < I2C_RETRY_TIMES)

    {

         ret = i2c_master_write_read_device(I2C_MASTER_NUM, AW88266A_CODEC_ADDR, ®_addr, 1, data_buff, 2, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);

        if (ret != 0)

            ESP_LOGI(TAG, "i2c_read cnt = %d, error = %dn", cnt, ret);

        else

            break;

        cnt++;

    }



     data = (((data_buff[0] << 8) & 0xff00) | (data_buff[1] & 0x00ff));

    ESP_LOGI(TAG, "i2c_read data = %dn", data);

    return data;

}